About Us – Diamond Pads Factory | KAIYI

About Diamond Pads Factory

Diamond Pads Factory — operated under the KAIYI brand — is a professional diamond abrasive tool manufacturer headquartered in Quanzhou, Fujian Province, China. Since our founding in 2015, we have focused exclusively on engineering high-performance diamond polishing and grinding solutions for the global stone fabrication and construction industries.

Our Factory at a Glance

Metric	Details
Founded	2015
Facility Size	2,000 sqm manufacturing plant
Export Markets	North America, Europe, Southeast Asia, and Australia
Headquarters	Quanzhou, Fujian Province, China
Specialization	Diamond polishing pads, metal bond grinding discs, resin bond abrasive tools

Inside Our Factory

Every pad is manufactured and quality-checked in-house at our Quanzhou facility. From raw material sintering to final Velcro attachment and packaging — all production stages happen under one roof.

🏗️ Manufacturing Workshop · 生产车间

Diamond polishing pad sintering press machines on production floor – KAIYI factory Quanzhou China

Our sintering press production floor — where raw diamond powder and resin bond are fused under high temperature and pressure to form each pad segment.

🎨 Custom Logo & OEM · 定制Logo

Custom logo printing on Velcro backing — available for OEM and private label distributors. Minimum order quantities apply.

📦 Finished Goods Warehouse · 仓储

KAIYI diamond polishing pad warehouse – stacked inventory of multiple grit sizes ready for global export

Large in-stock inventory across all grit sizes and pad types — ready for immediate shipment to North America, Europe, and Australia.

🗂️ Product Range · 产品类别

Full range of KAIYI diamond polishing pads – multiple grits, sizes and bond types displayed

Our full product range — wet and dry polishing pads, metal bond grinding discs, 3-step and 4-step systems, available in Grit #50 to #3000 across 3" and 4" diameters.

🔧 Assembly & Quality Inspection · 组装检验

KAIYI factory assembly workshop – workers inspecting and sorting diamond polishing pads Quanzhou Fujian

Final assembly and quality inspection — every batch is checked for grit consistency, bond integrity, and Velcro attachment strength before shipment.

What We Make

Every pad that leaves our facility is engineered for professional use — not the mass-market DIY segment. Our product lines include:

Resin Bond Diamond Polishing Pads — Wet & dry, 3" and 4", Grit #50–#3000, for granite, marble, quartz, concrete, and terrazzo
Metal Bond Diamond Grinding Discs — For aggressive leveling and lippage removal on hard stone and high-PSI concrete
3-Step & 4-Step Polishing Systems — Engineered to consolidate traditional 7-step sequences, reducing the number of polishing stages

Why Contractors and Distributors Choose Us

Factory-Direct Pricing: No middlemen. You buy directly from the manufacturer, with full access to bulk and OEM pricing.
Custom Formulation: We tailor resin bond hardness and diamond concentration to match specific regional stone types upon request.
Private Labeling (OEM): Custom logo printing on Velcro backing and packaging available for distributors.
Consistent Quality Control: Every batch is tested for grit consistency, bond integrity, and RPM tolerance before shipment.
Global Logistics: Streamlined export operations to North America, Europe, and Australia with reliable lead times.